prevent infinite loop if gtk_menu_popup() fails, fixes #15387
[wxWidgets.git] / src / gtk / checklst.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/checklst.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Modified by: Ryan Norton (Native GTK2.0+ checklist)
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 #if wxUSE_CHECKLISTBOX
14
15 #include "wx/checklst.h"
16
17 #include <gtk/gtk.h>
18
19 //-----------------------------------------------------------------------------
20 // "toggled"
21 //-----------------------------------------------------------------------------
22 extern "C" {
23 static void gtk_checklist_toggled(GtkCellRendererToggle * WXUNUSED(renderer),
24 gchar *stringpath,
25 wxCheckListBox *listbox)
26 {
27 wxCHECK_RET( listbox->m_treeview != NULL, wxT("invalid listbox") );
28
29 GtkTreePath* path = gtk_tree_path_new_from_string(stringpath);
30 wxCommandEvent new_event( wxEVT_CHECKLISTBOX,
31 listbox->GetId() );
32 new_event.SetEventObject( listbox );
33 new_event.SetInt( gtk_tree_path_get_indices(path)[0] );
34 new_event.SetString( listbox->GetString( new_event.GetInt() ));
35 gtk_tree_path_free(path);
36 listbox->Check( new_event.GetInt(), !listbox->IsChecked(new_event.GetInt()));
37 listbox->HandleWindowEvent( new_event );
38 }
39 }
40
41 //-----------------------------------------------------------------------------
42 // wxCheckListBox
43 //-----------------------------------------------------------------------------
44
45 wxCheckListBox::wxCheckListBox() : wxCheckListBoxBase()
46 {
47 m_hasCheckBoxes = true;
48 }
49
50 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
51 const wxPoint& pos,
52 const wxSize& size,
53 int nStrings,
54 const wxString *choices,
55 long style,
56 const wxValidator& validator,
57 const wxString& name )
58 {
59 m_hasCheckBoxes = true;
60 wxListBox::Create( parent, id, pos, size, nStrings, choices, style, validator, name );
61 }
62
63 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
64 const wxPoint& pos,
65 const wxSize& size,
66 const wxArrayString& choices,
67 long style,
68 const wxValidator& validator,
69 const wxString& name )
70 {
71 m_hasCheckBoxes = true;
72 wxListBox::Create( parent, id, pos, size, choices,
73 style, validator, name );
74 }
75
76 void wxCheckListBox::DoCreateCheckList()
77 {
78 //Create the checklist in our treeview and set up events for it
79 GtkCellRenderer* renderer =
80 gtk_cell_renderer_toggle_new();
81 GtkTreeViewColumn* column =
82 gtk_tree_view_column_new_with_attributes( "", renderer,
83 "active", 0,
84 NULL );
85 #if wxUSE_LIBHILDON2
86 gtk_tree_view_column_set_fixed_width(column, 40);
87 #else
88 gtk_tree_view_column_set_fixed_width(column, 22);
89 #endif // wxUSE_LIBHILDON2/!wxUSE_LIBHILDON2
90
91 gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
92 gtk_tree_view_column_set_clickable(column, TRUE);
93
94 g_signal_connect (renderer, "toggled",
95 G_CALLBACK (gtk_checklist_toggled),
96 this);
97
98 gtk_tree_view_append_column(m_treeview, column);
99 }
100
101 bool wxCheckListBox::IsChecked(unsigned int index) const
102 {
103 wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid checklistbox") );
104
105 GtkTreeIter iter;
106 gboolean res = gtk_tree_model_iter_nth_child(
107 GTK_TREE_MODEL(m_liststore),
108 &iter, NULL, //NULL = parent = get first
109 index
110 );
111 if(!res)
112 return false;
113
114 GValue value = {0, };
115 gtk_tree_model_get_value(GTK_TREE_MODEL(m_liststore),
116 &iter,
117 0, //column
118 &value);
119
120 return g_value_get_boolean(&value) != 0;
121 }
122
123 void wxCheckListBox::Check(unsigned int index, bool check)
124 {
125 wxCHECK_RET( m_treeview != NULL, wxT("invalid checklistbox") );
126
127 GtkTreeIter iter;
128 gboolean res = gtk_tree_model_iter_nth_child(
129 GTK_TREE_MODEL(m_liststore),
130 &iter, NULL, //NULL = parent = get first
131 index
132 );
133 if(!res)
134 return;
135
136 gtk_list_store_set(m_liststore,
137 &iter,
138 0, //column
139 check ? TRUE : FALSE, -1);
140 }
141
142 int wxCheckListBox::GetItemHeight() const
143 {
144 wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox"));
145
146 gint height;
147 gtk_tree_view_column_cell_get_size(
148 gtk_tree_view_get_column(m_treeview, 0),
149 NULL, NULL, NULL, NULL,
150 &height);
151 return height;
152 }
153
154 #endif //wxUSE_CHECKLISTBOX